Improvement in water-wheels



PATENTED MAY 5, 1868.

A. J. HALL. WATER WHEEL.

We Patent No. 77,609, dated May '5, 1868.

IMPROVEMENT IN WATER*WHEELS.

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TO ALL' wn'oM'I'r MAY" eon'ennm I Be it knowit that I, ALONZo J; HALL, of Derry, in the county of 'Rockinghum, and State of'New Hampshire, have invented a new and useful Improvement in Water-Wheels; and I'do hereby declare that the following is a full, clear, and exact description'ofthe construction and operation of the same, reference being bad to the annexed drawings, mak ingla part of this specification, in which i Figure 1 represents a top view of the device, with a portion ofthe gearing removed. I

Figure 2 is a vertical section, taken at the line a: w, fig. l.

This invention consists of an inner reacting. wheel, operating in conjunction with an outer wheel, together with a governor and value for regulating the quantity and force'of water. The innerwheel, A, is constructed withfour arms, A, through which the water is conducted to the cuter'whecl, B, the side of the arm on which the water is discharged forming a rndialline, and the'opposite side forming a. tangential line, and the aperture through which the water is discharged forming a right angle with the radial line. I

The efiectof this peculiar construction is such that the water issuing from each arm impinges against two,

of the fioats at once, and at such an angle as to produce greater effect than if the whole volume of water were directed againstone float at a time. i i i v The wheel A is made fast to the shaft by the flange D. An' elevated portion of this flange, 0, supports the hub of the outer wheel, .13, which, resting upon 0, revolves around the shaft. Through 0 there are small apertures A, and strikes against the floats;

apertures, 0, leading from a water-chamber, G, below, to a sunken circular groove in O; The object of this arrangement is to let the Watcrpass fron'rthe chamber 0 through these apertures into the groove, andtlmn .assist'in supporting the hub of the outer wheel B, and thereby diminish the friction of this part.

The outer wheel, B, cousists'of a hollow cylindrical rim, to the inner surface of which are attached the fioats, extending from the bottom of the rim npwardsto the line N N, where there is attached to the inner aurface of the rim a circular shelf, to which the floats are made fast at their upper. edges, and which also prevents the water from flying upwardsas it strikes the floats. Above this shelf are'tlre, spokes of the outer wheel, by which the rim is'nttached to the hubl Toxeach arm of the wheel A is attached a governor, for the purpose of regulating the supply of water in reuse of a sudden diminution ofthe amountof labor, and a consequent diminution of the amount of power required. Thisgovcrnor consists of a weight, W, hung in adjustable hearings on the uppersurfac of the arm A", and a gate, '1, for-mea r plate of metal, bent at a right angle, the longest portion sliding in a slot on the inner side of -the aperture A.

Theweight Wis connected by a rod to the gate T in sucha manner that when the amount .of power required is diminished, the centrifugal force occasioned by. the increased velocity of the wheel will give the weight W a tendency to swing outward,forcing the gate T across the aperture Al decreasing its yvidth, and lessening the quantity and force of the water-issuing therefrom. To prevent injury to any portion of themechanism by such sruldcn revnlsion, valves 'V, fig. 1, are attached to the upper surfaces of the arms of the wheel A to allow the excess of water to escape. e

The curb I is beneath the wheel around the lower part of the shaft, and has an outlet upwards, adjusted to the rim 1i-,aronnd the bottom of the opening in the wheel. I

' The water enters the curb at S,'flow's through the curb, and enters the \vater-chambcnC in the inner and reacting wheel A. The water, by its upward pressure in this chamber, supports the wheeluA wholly or in part, and thus diminishes the friction. Thence the water passes through the arms A and is discharged from the I and thus,'by the action and reaction of the water, both the outer wheel 11 and theiuner whecl'A are caused to revolve, though in opposite directions, The water thenfalls in the free and open space bcneath'the outer portionof the wheel, and passes 06'.

Having thusdescribed my invention, n'hnt I claim as new, and desire to secure by Letters Patent, is

1. The apertures c and circular groove inilange O, in combination with the chainbers'Gand hub of the} outer wheel 13, when arranged to operate in the manner and for the purpose spccified. I 2. The valve Y, in combination with the weight W and gate T, substantiallyas and for the purpose specified. ALONZQ J, HALL.

Witnesses: I I I Gninnnr E. 11001:, DAVID Genius. 

